420100341121 has 2 divisors, whose sum is σ = 420100341122. Its totient is φ = 420100341120.

The previous prime is 420100341043. The next prime is 420100341127. The reversal of 420100341121 is 121143001024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241733488896 + 178366852225 = 491664^2 + 422335^2 .

It is a cyclic number.

It is not a de Polignac number, because 420100341121 - 2¹¹ = 420100339073 is a prime.

It is a super-3 number, since 3×420100341121³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (420100341127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210050170560 + 210050170561.

It is an arithmetic number, because the mean of its divisors is an integer number (210050170561).

Almost surely, 2^420100341121 is an apocalyptic number.

It is an amenable number.

420100341121 is a deficient number, since it is larger than the sum of its proper divisors (1).

420100341121 is an equidigital number, since it uses as much as digits as its factorization.

420100341121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 420100341121 its reverse (121143001024), we get a palindrome (541243342145).

The spelling of 420100341121 in words is "four hundred twenty billion, one hundred million, three hundred forty-one thousand, one hundred twenty-one".